Diamond-like DLC film technology is a technology developed to create high-strength, cost-saving materials using a method called Physical Vapor Deposition (PVD) or Chemical Vapor Deposition (CVD) to create a hard film on the surface of materials produced by today's DLC technology has been applied to a wide variety of materials such as electrical equipment, industrial equipment, and many other materials, including automotive, etc. DLC can also be used to greatly strengthen the strength of American industry, such as industrial machinery and industrial machinery, and to make the DLC industry a powerful tool in many industries.